Home / 2,151.92-3,227.54-1,055.99

Finding the Fourth Proportional to 2,151.92, 3,227.54 and 1,055.99

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Solution

The fourth proportional to 2,151.92, 3,227.54 and 1,055.99 is: 1,583.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,151.92 : 3,227.54 = 1,055.99 : x
  2. Step 2: Convert to fraction form
    2,151.92/3,227.54 = 1,055.99/x
  3. Step 3: Cross multiply
    2,151.92x = 3,227.54 × 1,055.99
  4. Step 4: Simplify right side
    2,151.92x = 3,408,252.75
  5. Step 5: Solve for x
    x = 3,408,252.75/2,151.92
  6. Step 6: Final answer
    x = 1,583.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.